Convert Millimeters to Centimeters
One millimeter equals 0.1 centimeters. Type any value to convert millimeters to centimeters instantly — with a full reference table below.
Convert Millimeters to Centimeters
Converted in your browser — nothing you enter is sent anywhere.
How to convert Millimeters to Centimeters
To convert millimeters to centimeters, multiply by 0.1. One millimeter equals 0.1 cm, and one centimeter equals 10 mm.
- Take the value in millimeters — for example 7.5 mm.
- Multiply by 0.1 (the number of centimeters in one millimeter).
- 7.5 × 0.1 = 0.75 cm.
Shortcut: the factor is a power of ten, so just move the decimal point 1 place to the left.
Millimeters to Centimeters conversion table
| Millimeters | Centimeters |
|---|---|
| 1 mm | 0.1 cm |
| 2 mm | 0.2 cm |
| 3 mm | 0.3 cm |
| 4 mm | 0.4 cm |
| 5 mm | 0.5 cm |
| 6 mm | 0.6 cm |
| 7 mm | 0.7 cm |
| 8 mm | 0.8 cm |
| 9 mm | 0.9 cm |
| 10 mm | 1 cm |
| 12 mm | 1.2 cm |
| 15 mm | 1.5 cm |
| 20 mm | 2 cm |
| 25 mm | 2.5 cm |
| 50 mm | 5 cm |
| 100 mm | 10 cm |
| Centimeters | Millimeters |
|---|---|
| 1 cm | 10 mm |
| 2 cm | 20 mm |
| 3 cm | 30 mm |
| 4 cm | 40 mm |
| 5 cm | 50 mm |
| 6 cm | 60 mm |
| 7 cm | 70 mm |
| 8 cm | 80 mm |
| 9 cm | 90 mm |
| 10 cm | 100 mm |
| 12 cm | 120 mm |
| 15 cm | 150 mm |
| 20 cm | 200 mm |
| 25 cm | 250 mm |
| 50 cm | 500 mm |
| 100 cm | 1,000 mm |
About converting Millimeters to Centimeters
Millimeters (mm) and Centimeters (cm) are both units of length. The exact factor is 1 mm = 0.1 cm, so multiply by 0.1 to go from millimeters to centimeters (or divide to go back).
The conversion runs entirely in your browser. Need the reverse? Use the Centimeters to Millimeters converter, or the full unit converter for every unit at once.
Real-world length in millimeters and centimeters
| Example | Millimeters | Centimeters |
|---|---|---|
| A credit card's width (ISO/IEC 7810) | 85.6 mm | 8.56 cm |
| The long side of A4 paper (ISO 216) | 297 mm | 29.7 cm |
| A US standard door (80 in tall) | 2,032 mm | 203.2 cm |
| A football pitch (FIFA recommended length) | 105,000 mm | 10,500 cm |
“≈” marks typical values; the rest are defined or measured figures.
The units
One thousandth of a metre.
Used for: Engineering drawings, rainfall, screen and jewellery sizes.
One hundredth of a metre.
Used for: Body height in most countries, clothing and everyday measuring.
Every length factor here is exact: the inch has been defined as exactly 25.4 mm since the 1959 International Yard and Pound Agreement.